Heavy duty utility tub



FIG. 1 is a perspective view of the heavy duty utility tub.

FIG. 2 is a front view of the heavy duty utility tub.

FIG. 3 is a first side view of the heavy duty utility tub; and,

FIG. 4 is a top view of the heavy duty utility tub. 

We claim the ornamental design for a heavy duty utility tub, as shown and described. 